lede/target/linux/rockchip/patches-5.15/205-rockchip-rk3399-Add-support-for-EmbedFire-DoorNet2.patch
aakkll c82ca10450
kernel: bump 5.15 to 5.15.27 (#9035)
Signed-off-by: aakkll <94471752+aakkll@users.noreply.github.com>
2022-03-09 16:02:17 +08:00

794 lines
16 KiB
Diff

--- a/arch/arm64/boot/dts/rockchip/Makefile
+++ b/arch/arm64/boot/dts/rockchip/Makefile
@@ -22,6 +22,7 @@ dtb-$(CONFIG_ARCH_ROCKCHIP) += rk3368-li
dtb-$(CONFIG_ARCH_ROCKCHIP) += rk3368-orion-r68-meta.dtb
dtb-$(CONFIG_ARCH_ROCKCHIP) += rk3368-px5-evb.dtb
dtb-$(CONFIG_ARCH_ROCKCHIP) += rk3368-r88.dtb
+dtb-$(CONFIG_ARCH_ROCKCHIP) += rk3399-doornet2.dtb
dtb-$(CONFIG_ARCH_ROCKCHIP) += rk3399-evb.dtb
dtb-$(CONFIG_ARCH_ROCKCHIP) += rk3399-ficus.dtb
dtb-$(CONFIG_ARCH_ROCKCHIP) += rk3399-firefly.dtb
--- /dev/null
+++ b/arch/arm64/boot/dts/rockchip/rk3399-doornet2.dts
@@ -0,0 +1,115 @@
+// SPDX-License-Identifier: (GPL-2.0+ OR MIT)
+
+/dts-v1/;
+#include "rk3399-doornet2.dtsi"
+
+/ {
+ model = "EmbedFire DoorNet2";
+ compatible = "embedfire,doornet2", "rockchip,rk3399";
+
+ aliases {
+ led-boot = &sys_led;
+ led-failsafe = &sys_led;
+ led-running = &sys_led;
+ led-upgrade = &sys_led;
+ };
+
+ /delete-node/ display-subsystem;
+
+ gpio-leds {
+ pinctrl-0 = <&lan_led_pin>, <&sys_led_pin>, <&wan_led_pin>;
+
+ /delete-node/ status;
+
+ lan_led: led-lan {
+ gpios = <&gpio1 RK_PA1 GPIO_ACTIVE_HIGH>;
+ label = "green:lan";
+ };
+
+ sys_led: led-sys {
+ gpios = <&gpio0 RK_PB5 GPIO_ACTIVE_HIGH>;
+ label = "red:sys";
+ default-state = "on";
+ };
+
+ wan_led: led-wan {
+ gpios = <&gpio1 RK_PA0 GPIO_ACTIVE_HIGH>;
+ label = "green:wan";
+ };
+ };
+
+ gpio-keys {
+ pinctrl-0 = <&reset_button_pin>;
+
+ /delete-node/ power;
+
+ reset {
+ debounce-interval = <50>;
+ gpios = <&gpio1 RK_PC6 GPIO_ACTIVE_LOW>;
+ label = "reset";
+ linux,code = <KEY_RESTART>;
+ };
+ };
+
+ vdd_5v: vdd-5v {
+ compatible = "regulator-fixed";
+ regulator-name = "vdd_5v";
+ regulator-always-on;
+ regulator-boot-on;
+ };
+};
+
+&pcie0 {
+ max-link-speed = <1>;
+ num-lanes = <1>;
+ vpcie3v3-supply = <&vcc3v3_sys>;
+
+ pcie@0 {
+ reg = <0x00000000 0 0 0 0>;
+ #address-cells = <3>;
+ #size-cells = <2>;
+
+ pcie-eth@0,0 {
+ compatible = "realtek,r8168";
+ reg = <0x000000 0 0 0 0>;
+
+ realtek,led-data = <0x870>;
+ };
+ };
+};
+
+&pinctrl {
+ gpio-leds {
+ /delete-node/ leds-gpio;
+
+ lan_led_pin: lan-led-pin {
+ rockchip,pins = <1 RK_PA1 RK_FUNC_GPIO &pcfg_pull_none>;
+ };
+
+ sys_led_pin: sys-led-pin {
+ rockchip,pins = <0 RK_PB5 RK_FUNC_GPIO &pcfg_pull_none>;
+ };
+
+ wan_led_pin: wan-led-pin {
+ rockchip,pins = <1 RK_PA0 RK_FUNC_GPIO &pcfg_pull_none>;
+ };
+ };
+
+ rockchip-key {
+ /delete-node/ power-key;
+
+ reset_button_pin: reset-button-pin {
+ rockchip,pins = <1 RK_PC6 RK_FUNC_GPIO &pcfg_pull_up>;
+ };
+ };
+};
+
+&u2phy0_host {
+ phy-supply = <&vdd_5v>;
+};
+
+&vcc3v3_sys {
+ vin-supply = <&vcc5v0_sys>;
+};
+
+
--- /dev/null
+++ b/arch/arm64/boot/dts/rockchip/rk3399-doornet2.dtsi
@@ -0,0 +1,637 @@
+// SPDX-License-Identifier: (GPL-2.0+ OR MIT)
+
+/dts-v1/;
+#include <dt-bindings/input/linux-event-codes.h>
+#include "rk3399.dtsi"
+#include "rk3399-opp.dtsi"
+
+/ {
+ chosen {
+ stdout-path = "serial2:1500000n8";
+ };
+
+ clkin_gmac: external-gmac-clock {
+ compatible = "fixed-clock";
+ clock-frequency = <125000000>;
+ clock-output-names = "clkin_gmac";
+ #clock-cells = <0>;
+ };
+
+ vcc3v3_sys: vcc3v3-sys {
+ compatible = "regulator-fixed";
+ regulator-always-on;
+ regulator-boot-on;
+ regulator-min-microvolt = <3300000>;
+ regulator-max-microvolt = <3300000>;
+ regulator-name = "vcc3v3_sys";
+ };
+
+ vcc5v0_sys: vcc5v0-sys {
+ compatible = "regulator-fixed";
+ regulator-always-on;
+ regulator-boot-on;
+ regulator-min-microvolt = <5000000>;
+ regulator-max-microvolt = <5000000>;
+ regulator-name = "vcc5v0_sys";
+ vin-supply = <&vdd_5v>;
+ };
+
+ /* switched by pmic_sleep */
+ vcc1v8_s3: vcca1v8_s3: vcc1v8-s3 {
+ compatible = "regulator-fixed";
+ regulator-always-on;
+ regulator-boot-on;
+ regulator-min-microvolt = <1800000>;
+ regulator-max-microvolt = <1800000>;
+ regulator-name = "vcc1v8_s3";
+ vin-supply = <&vcc_1v8>;
+ };
+
+ vcc3v0_sd: vcc3v0-sd {
+ compatible = "regulator-fixed";
+ enable-active-high;
+ gpio = <&gpio0 RK_PA1 GPIO_ACTIVE_HIGH>;
+ pinctrl-names = "default";
+ pinctrl-0 = <&sdmmc0_pwr_h>;
+ regulator-always-on;
+ regulator-min-microvolt = <3000000>;
+ regulator-max-microvolt = <3000000>;
+ regulator-name = "vcc3v0_sd";
+ vin-supply = <&vcc3v3_sys>;
+ };
+
+ vbus_typec: vbus-typec {
+ compatible = "regulator-fixed";
+ regulator-min-microvolt = <5000000>;
+ regulator-max-microvolt = <5000000>;
+ regulator-name = "vbus_typec";
+ };
+
+ gpio-keys {
+ compatible = "gpio-keys";
+ autorepeat;
+ pinctrl-names = "default";
+ pinctrl-0 = <&power_key>;
+
+ power {
+ debounce-interval = <100>;
+ gpios = <&gpio0 RK_PA5 GPIO_ACTIVE_LOW>;
+ label = "GPIO Key Power";
+ linux,code = <KEY_POWER>;
+ wakeup-source;
+ };
+ };
+
+ leds: gpio-leds {
+ compatible = "gpio-leds";
+ pinctrl-names = "default";
+ pinctrl-0 = <&leds_gpio>;
+
+ status {
+ gpios = <&gpio0 RK_PB5 GPIO_ACTIVE_HIGH>;
+ label = "status_led";
+ linux,default-trigger = "heartbeat";
+ };
+ };
+
+ sdio_pwrseq: sdio-pwrseq {
+ compatible = "mmc-pwrseq-simple";
+ clocks = <&rk808 1>;
+ clock-names = "ext_clock";
+ pinctrl-names = "default";
+ pinctrl-0 = <&wifi_reg_on_h>;
+ reset-gpios = <&gpio0 RK_PB2 GPIO_ACTIVE_LOW>;
+ };
+};
+
+&cpu_b0 {
+ cpu-supply = <&vdd_cpu_b>;
+};
+
+&cpu_b1 {
+ cpu-supply = <&vdd_cpu_b>;
+};
+
+&cpu_l0 {
+ cpu-supply = <&vdd_cpu_l>;
+};
+
+&cpu_l1 {
+ cpu-supply = <&vdd_cpu_l>;
+};
+
+&cpu_l2 {
+ cpu-supply = <&vdd_cpu_l>;
+};
+
+&cpu_l3 {
+ cpu-supply = <&vdd_cpu_l>;
+};
+
+&emmc_phy {
+ status = "okay";
+};
+
+&gmac {
+ assigned-clocks = <&cru SCLK_RMII_SRC>;
+ assigned-clock-parents = <&clkin_gmac>;
+ clock_in_out = "input";
+ phy-supply = <&vcc3v3_s3>;
+ phy-mode = "rgmii";
+ pinctrl-names = "default";
+ pinctrl-0 = <&rgmii_pins>;
+ snps,reset-gpio = <&gpio3 RK_PB7 GPIO_ACTIVE_LOW>;
+ snps,reset-active-low;
+ snps,reset-delays-us = <0 100000 50000>;
+ tx_delay = <0x28>;
+ rx_delay = <0x11>;
+ status = "okay";
+};
+
+&gpu {
+ mali-supply = <&vdd_gpu>;
+ status = "okay";
+};
+
+&hdmi {
+ ddc-i2c-bus = <&i2c7>;
+ pinctrl-names = "default";
+ pinctrl-0 = <&hdmi_cec>;
+ status = "okay";
+};
+
+&i2c0 {
+ clock-frequency = <400000>;
+ i2c-scl-rising-time-ns = <160>;
+ i2c-scl-falling-time-ns = <30>;
+ status = "okay";
+
+ vdd_cpu_b: regulator@40 {
+ compatible = "silergy,syr827";
+ reg = <0x40>;
+ fcs,suspend-voltage-selector = <1>;
+ pinctrl-names = "default";
+ pinctrl-0 = <&cpu_b_sleep>;
+ regulator-always-on;
+ regulator-boot-on;
+ regulator-min-microvolt = <712500>;
+ regulator-max-microvolt = <1500000>;
+ regulator-name = "vdd_cpu_b";
+ regulator-ramp-delay = <1000>;
+ vin-supply = <&vcc3v3_sys>;
+
+ regulator-state-mem {
+ regulator-off-in-suspend;
+ };
+ };
+
+ vdd_gpu: regulator@41 {
+ compatible = "silergy,syr828";
+ reg = <0x41>;
+ fcs,suspend-voltage-selector = <1>;
+ pinctrl-names = "default";
+ pinctrl-0 = <&gpu_sleep>;
+ regulator-always-on;
+ regulator-boot-on;
+ regulator-min-microvolt = <712500>;
+ regulator-max-microvolt = <1500000>;
+ regulator-name = "vdd_gpu";
+ regulator-ramp-delay = <1000>;
+ vin-supply = <&vcc3v3_sys>;
+
+ regulator-state-mem {
+ regulator-off-in-suspend;
+ };
+ };
+
+ rk808: pmic@1b {
+ compatible = "rockchip,rk808";
+ reg = <0x1b>;
+ clock-output-names = "xin32k", "rtc_clko_wifi";
+ #clock-cells = <1>;
+ interrupt-parent = <&gpio1>;
+ interrupts = <21 IRQ_TYPE_LEVEL_LOW>;
+ pinctrl-names = "default";
+ pinctrl-0 = <&pmic_int_l>;
+ rockchip,system-power-controller;
+ wakeup-source;
+
+ vcc1-supply = <&vcc3v3_sys>;
+ vcc2-supply = <&vcc3v3_sys>;
+ vcc3-supply = <&vcc3v3_sys>;
+ vcc4-supply = <&vcc3v3_sys>;
+ vcc6-supply = <&vcc3v3_sys>;
+ vcc7-supply = <&vcc3v3_sys>;
+ vcc8-supply = <&vcc3v3_sys>;
+ vcc9-supply = <&vcc3v3_sys>;
+ vcc10-supply = <&vcc3v3_sys>;
+ vcc11-supply = <&vcc3v3_sys>;
+ vcc12-supply = <&vcc3v3_sys>;
+ vddio-supply = <&vcc_3v0>;
+
+ regulators {
+ vdd_center: DCDC_REG1 {
+ regulator-always-on;
+ regulator-boot-on;
+ regulator-min-microvolt = <750000>;
+ regulator-max-microvolt = <1350000>;
+ regulator-name = "vdd_center";
+ regulator-ramp-delay = <6001>;
+
+ regulator-state-mem {
+ regulator-off-in-suspend;
+ };
+ };
+
+ vdd_cpu_l: DCDC_REG2 {
+ regulator-always-on;
+ regulator-boot-on;
+ regulator-min-microvolt = <750000>;
+ regulator-max-microvolt = <1350000>;
+ regulator-name = "vdd_cpu_l";
+ regulator-ramp-delay = <6001>;
+
+ regulator-state-mem {
+ regulator-off-in-suspend;
+ };
+ };
+
+ vcc_ddr: DCDC_REG3 {
+ regulator-always-on;
+ regulator-boot-on;
+ regulator-name = "vcc_ddr";
+
+ regulator-state-mem {
+ regulator-on-in-suspend;
+ };
+ };
+
+ vcc_1v8: DCDC_REG4 {
+ regulator-always-on;
+ regulator-boot-on;
+ regulator-min-microvolt = <1800000>;
+ regulator-max-microvolt = <1800000>;
+ regulator-name = "vcc_1v8";
+
+ regulator-state-mem {
+ regulator-on-in-suspend;
+ regulator-suspend-microvolt = <1800000>;
+ };
+ };
+
+ vcc1v8_cam: LDO_REG1 {
+ regulator-always-on;
+ regulator-boot-on;
+ regulator-min-microvolt = <1800000>;
+ regulator-max-microvolt = <1800000>;
+ regulator-name = "vcc1v8_cam";
+
+ regulator-state-mem {
+ regulator-off-in-suspend;
+ };
+ };
+
+ vcc3v0_touch: LDO_REG2 {
+ regulator-always-on;
+ regulator-boot-on;
+ regulator-min-microvolt = <3000000>;
+ regulator-max-microvolt = <3000000>;
+ regulator-name = "vcc3v0_touch";
+
+ regulator-state-mem {
+ regulator-off-in-suspend;
+ };
+ };
+
+ vcc1v8_pmupll: LDO_REG3 {
+ regulator-always-on;
+ regulator-boot-on;
+ regulator-min-microvolt = <1800000>;
+ regulator-max-microvolt = <1800000>;
+ regulator-name = "vcc1v8_pmupll";
+
+ regulator-state-mem {
+ regulator-on-in-suspend;
+ regulator-suspend-microvolt = <1800000>;
+ };
+ };
+
+ vcc_sdio: LDO_REG4 {
+ regulator-always-on;
+ regulator-boot-on;
+ regulator-init-microvolt = <3000000>;
+ regulator-min-microvolt = <1800000>;
+ regulator-max-microvolt = <3300000>;
+ regulator-name = "vcc_sdio";
+
+ regulator-state-mem {
+ regulator-on-in-suspend;
+ regulator-suspend-microvolt = <3000000>;
+ };
+ };
+
+ vcca3v0_codec: LDO_REG5 {
+ regulator-always-on;
+ regulator-boot-on;
+ regulator-min-microvolt = <3000000>;
+ regulator-max-microvolt = <3000000>;
+ regulator-name = "vcca3v0_codec";
+
+ regulator-state-mem {
+ regulator-off-in-suspend;
+ };
+ };
+
+ vcc_1v5: LDO_REG6 {
+ regulator-always-on;
+ regulator-boot-on;
+ regulator-min-microvolt = <1500000>;
+ regulator-max-microvolt = <1500000>;
+ regulator-name = "vcc_1v5";
+
+ regulator-state-mem {
+ regulator-on-in-suspend;
+ regulator-suspend-microvolt = <1500000>;
+ };
+ };
+
+ vcca1v8_codec: LDO_REG7 {
+ regulator-always-on;
+ regulator-boot-on;
+ regulator-min-microvolt = <1800000>;
+ regulator-max-microvolt = <1800000>;
+ regulator-name = "vcca1v8_codec";
+
+ regulator-state-mem {
+ regulator-off-in-suspend;
+ };
+ };
+
+ vcc_3v0: LDO_REG8 {
+ regulator-always-on;
+ regulator-boot-on;
+ regulator-min-microvolt = <3000000>;
+ regulator-max-microvolt = <3000000>;
+ regulator-name = "vcc_3v0";
+
+ regulator-state-mem {
+ regulator-on-in-suspend;
+ regulator-suspend-microvolt = <3000000>;
+ };
+ };
+
+ vcc3v3_s3: SWITCH_REG1 {
+ regulator-always-on;
+ regulator-boot-on;
+ regulator-name = "vcc3v3_s3";
+
+ regulator-state-mem {
+ regulator-off-in-suspend;
+ };
+ };
+
+ vcc3v3_s0: SWITCH_REG2 {
+ regulator-always-on;
+ regulator-boot-on;
+ regulator-name = "vcc3v3_s0";
+
+ regulator-state-mem {
+ regulator-off-in-suspend;
+ };
+ };
+ };
+ };
+};
+
+&i2c1 {
+ clock-frequency = <200000>;
+ i2c-scl-rising-time-ns = <150>;
+ i2c-scl-falling-time-ns = <30>;
+ status = "okay";
+};
+
+&i2c2 {
+ status = "okay";
+};
+
+&i2c7 {
+ status = "okay";
+};
+
+&io_domains {
+ bt656-supply = <&vcc_1v8>;
+ audio-supply = <&vcca1v8_codec>;
+ sdmmc-supply = <&vcc_sdio>;
+ gpio1830-supply = <&vcc_3v0>;
+ status = "okay";
+};
+
+&pcie_phy {
+ assigned-clock-parents = <&cru SCLK_PCIEPHY_REF100M>;
+ assigned-clock-rates = <100000000>;
+ assigned-clocks = <&cru SCLK_PCIEPHY_REF>;
+ status = "okay";
+};
+
+&pcie0 {
+ ep-gpios = <&gpio2 RK_PA4 GPIO_ACTIVE_HIGH>;
+ max-link-speed = <2>;
+ num-lanes = <4>;
+ status = "okay";
+};
+
+&pinctrl {
+ fusb30x {
+ fusb0_int: fusb0-int {
+ rockchip,pins = <1 RK_PA2 RK_FUNC_GPIO &pcfg_pull_up>;
+ };
+ };
+
+ gpio-leds {
+ leds_gpio: leds-gpio {
+ rockchip,pins = <0 RK_PB5 RK_FUNC_GPIO &pcfg_pull_none>;
+ };
+ };
+
+ ethernet-phy {
+ eth_phy_reset_pin: eth-phy-reset-pin {
+ rockchip,pins = <3 RK_PB7 RK_FUNC_GPIO &pcfg_pull_down>;
+ };
+ };
+
+ pmic {
+ cpu_b_sleep: cpu-b-sleep {
+ rockchip,pins = <1 RK_PC1 RK_FUNC_GPIO &pcfg_pull_down>;
+ };
+
+ gpu_sleep: gpu-sleep {
+ rockchip,pins = <1 RK_PB6 RK_FUNC_GPIO &pcfg_pull_down>;
+ };
+
+ pmic_int_l: pmic-int-l {
+ rockchip,pins = <1 RK_PC5 RK_FUNC_GPIO &pcfg_pull_up>;
+ };
+ };
+
+ rockchip-key {
+ power_key: power-key {
+ rockchip,pins = <0 RK_PA5 RK_FUNC_GPIO &pcfg_pull_up>;
+ };
+ };
+
+ sdio {
+ bt_host_wake_l: bt-host-wake-l {
+ rockchip,pins = <0 RK_PA4 RK_FUNC_GPIO &pcfg_pull_none>;
+ };
+
+ bt_reg_on_h: bt-reg-on-h {
+ /* external pullup to VCC1V8_PMUPLL */
+ rockchip,pins = <0 RK_PB1 RK_FUNC_GPIO &pcfg_pull_none>;
+ };
+
+ bt_wake_l: bt-wake-l {
+ rockchip,pins = <2 RK_PD2 RK_FUNC_GPIO &pcfg_pull_none>;
+ };
+
+ wifi_reg_on_h: wifi-reg_on-h {
+ rockchip,pins = <0 RK_PB2 RK_FUNC_GPIO &pcfg_pull_none>;
+ };
+ };
+
+ sdmmc {
+ sdmmc0_det_l: sdmmc0-det-l {
+ rockchip,pins = <0 RK_PA7 RK_FUNC_GPIO &pcfg_pull_up>;
+ };
+
+ sdmmc0_pwr_h: sdmmc0-pwr-h {
+ rockchip,pins = <0 RK_PA1 RK_FUNC_GPIO &pcfg_pull_none>;
+ };
+ };
+};
+
+&pmu_io_domains {
+ pmu1830-supply = <&vcc_3v0>;
+ status = "okay";
+};
+
+&pwm1 {
+ status = "okay";
+};
+
+&saradc {
+ vref-supply = <&vcca1v8_s3>;
+ status = "okay";
+};
+
+&sdhci {
+ bus-width = <8>;
+ mmc-ddr-1_8v;
+ mmc-hs200-1_8v;
+ non-removable;
+ status = "okay";
+};
+
+&sdmmc {
+ bus-width = <4>;
+ cap-sd-highspeed;
+ cap-mmc-highspeed;
+ cd-gpios = <&gpio0 RK_PA7 GPIO_ACTIVE_LOW>;
+ disable-wp;
+ pinctrl-names = "default";
+ pinctrl-0 = <&sdmmc_bus4 &sdmmc_clk &sdmmc_cmd &sdmmc0_det_l>;
+ sd-uhs-sdr104;
+ vmmc-supply = <&vcc3v0_sd>;
+ vqmmc-supply = <&vcc_sdio>;
+ status = "okay";
+};
+
+&tcphy0 {
+ status = "okay";
+};
+
+&tcphy1 {
+ status = "okay";
+};
+
+&tsadc {
+ /* tshut mode 0:CRU 1:GPIO */
+ rockchip,hw-tshut-mode = <1>;
+ /* tshut polarity 0:LOW 1:HIGH */
+ rockchip,hw-tshut-polarity = <1>;
+ status = "okay";
+};
+
+&u2phy0 {
+ status = "okay";
+};
+
+&u2phy0_host {
+ status = "okay";
+};
+
+&u2phy0_otg {
+ status = "okay";
+};
+
+&u2phy1 {
+ status = "okay";
+};
+
+&u2phy1_otg {
+ status = "okay";
+};
+
+&uart2 {
+ status = "okay";
+};
+
+&usbdrd3_0 {
+ status = "okay";
+};
+
+&usbdrd3_1 {
+ status = "okay";
+};
+
+&usbdrd_dwc3_0 {
+ dr_mode = "host";
+ status = "okay";
+};
+
+&usbdrd_dwc3_1 {
+ dr_mode = "host";
+ status = "okay";
+};
+
+&usb_host0_ehci {
+ status = "okay";
+};
+
+&usb_host0_ohci {
+ status = "okay";
+};
+
+&usb_host1_ehci {
+ status = "okay";
+};
+
+&usb_host1_ohci {
+ status = "okay";
+};
+
+&vopb {
+ status = "okay";
+};
+
+&vopb_mmu {
+ status = "okay";
+};
+
+&vopl {
+ status = "okay";
+};
+
+&vopl_mmu {
+ status = "okay";
+};
+
--- a/drivers/net/ethernet/stmicro/stmmac/stmmac_mdio.c
+++ b/drivers/net/ethernet/stmicro/stmmac/stmmac_mdio.c
@@ -498,6 +498,11 @@ int stmmac_mdio_register(struct net_devi
if (priv->plat->has_xgmac)
stmmac_xgmac2_mdio_read(new_bus, 0, MII_ADDR_C45);
+ stmmac_mdio_write(new_bus,0,31,2627);
+ stmmac_mdio_write(new_bus,0,25,0x1801);
+ stmmac_mdio_write(new_bus,0,31,0);
+ stmmac_mdio_write(new_bus,0,0,0x8000);
+
if (priv->plat->phy_node || mdio_node)
goto bus_register_done;
--- a/drivers/net/ethernet/stmicro/stmmac/stmmac_main.c
+++ b/drivers/net/ethernet/stmicro/stmmac/stmmac_main.c
@@ -2907,6 +2907,8 @@ static int stmmac_init_dma_engine(struct
if (priv->extend_desc && (priv->mode == STMMAC_RING_MODE))
atds = 1;
+ msleep(1500);
+
ret = stmmac_reset(priv, priv->ioaddr);
if (ret) {
dev_err(priv->device, "Failed to reset the dma\n");